<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片试图区 -->
    <el-card class="box-card">
      <!-- 搜索与添加区 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getUsersList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUsersList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">
            添加用户
          </el-button>
        </el-col>
      </el-row>
      <!-- 用户列表区 -->
      <el-table :data="userlist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope"
            ><!---作用域插槽-->
            <!-- {{ scope.row }} 获取这一行的数据-->
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStateChanged(scope.row)"
            >
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showEditDialog(scope.row.id)"
            ></el-button>
            <!-- 删除按钮 -->
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeUserById(scope.row.id)"
            ></el-button>
            <!-- 分配角色按钮 -->

            <el-tooltip
              effect="dark"
              content="分配角色"
              placement="top"
              :enterable="false"
            >
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
    <!--  添加用户对话框 -->
    <el-dialog
      title="提示"
      :visible.sync="addDialogVisible"
      width="50%"
      @close="addDialogClosed"
    >
      <!-- 内容主体区 -->
      <span>
        <el-form
          :model="addFrom"
          :rules="addFromRules"
          ref="addFormRef"
          label-width="70px"
          class="demo-ruleForm"
        >
          <el-form-item label="用户名" prop="username">
            <el-input v-model="addFrom.username"></el-input>
          </el-form-item>
          <el-form-item label="密码" prop="password">
            <el-input v-model="addFrom.password"></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="addFrom.email"></el-input>
          </el-form-item>
          <el-form-item label="手机" prop="mobile">
            <el-input v-model="addFrom.mobile"></el-input>
          </el-form-item>
        </el-form>
      </span>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户对话框 -->
    <el-dialog
      title="修改用户"
      :visible.sync="editDialogVisible"
      width="50%"
      @close="editDialogClosed"
    >
     <el-form :model="editFrom" :rules="editFromRules" ref="editFromRef" label-width="70px">
      <el-form-item label="用户名">
        <el-input v-model="editFrom.username" disabled></el-input>
      </el-form-item> 


       <el-form-item label="邮箱" prop="email">
        <el-input v-model="editFrom.email"></el-input>
      </el-form-item> 

       <el-form-item label="手机" prop="mobile">
        <el-input v-model="editFrom.mobile"></el-input>
      </el-form-item>   
  </el-form>

      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>
<script>
export default {
  data() {
    // 验证邮箱的规则
    var checkEmail = (rule, value, cb) => {
      //验证邮箱的正则
      const regEmail = /^[A-Za-z\d]+([-_.][A-Za-z\d]+)*@([A-Za-z\d]+[-.])+[A-Za-z\d]{2,4}$/;
      if (regEmail.test(value)) {
        return cb();
      }
      return cb(new Error("请输入合法的邮箱"));
    };
    //验证手机的规则
    var checkMobile = (rule, value, cb) => {
      //验证手机号的正则
      const regMobile = /^[1][3,4,5,7,8][0-9]{9}$/;
      if (regMobile.test(value)) {
        return cb();
      }
      cb(new Error("请输入合法的手机号"));
    };
    return {
      //获取用户列表的参数
      queryInfo: {
        query: "",
        //当前页数
        pagenum: 1,
        //当前每页显示多少条数据
        pagesize: 2,
      },
      userlist: [],
      total: 0,
      // 控制添加用户对话框的显示 隐藏
      addDialogVisible: false,
      //添加用户的表单数据
      addFrom: {
        username: "",
        password: "",
        email: "",
        mobile: "",
      },

      //添加用户的表单数据的验证规则对象
      addFromRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          { min: 3, max: 10, message: "用户名在3~10位之间", trigger: "blur" },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          { min: 6, max: 15, message: "用户名在6~15位之间", trigger: "blur" },
        ],
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" },
        ],
        mobile: [
          { required: true, message: "请输入电话", trigger: "blur" },
          { validator: checkMobile, trigger: "blur" },
        ],
      },
      //控制修改用户对话框显示与隐藏
      editDialogVisible:false,
      //查询到的用户信息对象
      editFrom:{},
      //修改表单验证规则对象
      editFromRules:{
        email:[
          {required: true, message:'请输入邮箱', trigger: 'blur'},
          {validator:checkEmail,trigger:'blur'}
        ],
        mobile:[
          {required: true, message:'请输入手机', trigger: 'blur'},
          {validator:checkMobile,trigger:'blur'}
        ]
      }

    };
  },

  created() {
    this.getUsersList();
  },

  methods: {
    //获取用户数据
    async getUsersList() {
      const { data: res } = await this.$http.get("users", {
        params: this.queryInfo,
      });
      if (res.meta.status !== 200) {
        return this.$message.error("获取用户列表失败");
      }
      this.userlist = res.data.users;
      this.total = res.data.total;
      console.log(res);
    },
    //监听pagesize 改变的事件
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize;
      //当pagesize改变之后重新发起数据请求
      this.getUsersList();
    },
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage;
      this.getUsersList();
    },
    //监听switch开关状态的改变
    async userStateChanged(userinfo) {
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      );
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state;
        return this.$message.error("更新状态失败");
      }
      this.$message.success("更新状态成功");
    },
    addDialogClosed() {
      this.$refs.addFormRef.resetFields();
    },
    //点击确认，添加用户
    addUser() {
      this.$refs.addFormRef.validate(async (valid) => {
        if (!valid) return;
        //可以发起网络添加请求
        const { data: res } = await this.$http.post("users", this.addFrom);
        if (res.meta.status != 201) {
          this.$message.error("添加用户失败！");
        }
        this.$message.success("添加用户成功");
        //隐藏添加用户的对话框
        this.addDialogVisible = false;
        //重新获取表单数据
        this.getUsersList();
      });
    },
    //展示编辑用户对话框
    async showEditDialog(id) {
      const {data:res}=await this.$http.get('users/'+id)
      if(res.meta.status!==200) {
        return this.$message.error("查询用户失败")
      }
      this.editFrom=res.data
      this.editDialogVisible=true
    },
    //监听修改用户对话框的关闭事件
    editDialogClosed(){
      this.$refs.editFromRef.resetFields();
    },
    //修改用户信息并提交
    editUserInfo(){
      this.$refs.editFromRef.validate(async valid=>{
        if(!valid) return
        //发起修改用户数据请求
     const {data:res}=await this.$http.put('users/'+this.editFrom.id,
     {email:this.editFrom.email,
          mobile:this.editFrom.mobile
        })
        if(res.meta.status!==200){
            return this.$message.error("更新用户数据失败！")
        } 
        //关闭修改对话框
        this.editDialogVisible=false
        //刷新修改后的数据
        this.getUsersList()
        //提示更新成功
        this.$message.success("更新用户数据成功！")
      })
      
    },
    //点击删除
    async  removeUserById(id){
          console.log(id);
          //弹框询问是否删除
         const confirmResult=await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err=>err)
        //如果用户确认删除 返回个字符串 confirm
        //取消的话 返回字符串 cancel
        if(confirmResult!=='confirm'){
        return this.$message.info("已将取消删除")
        }
        const {data:res}=await this.$http.delete('users/'+id)
        if(res.meta.status!==200){
          return this.$message.error("删除用户失败")
        }
        this.$message.success("删除用户成功")
        this.getUsersList()
      }

  },
};
</script>
<style lang="less" scoped>
</style> 